CV

Since 01/2024: Research associate at IAM-ET
04/2020 – 10/2023: Master of Science (KIT), Chemical and Process Engineering
Master thesis: "Investigation of a new Contact Design for Solid Oxide Electrolysis Cells"
10/2015 – 04/2020: Bachelor of Science (KIT), Chemical and Process Engineering

Research Topics

FlyECO - Future enabLing technologies for hYdrogen-powered Electrified aero engine for Clean aviatiOn
Electrochemical characterization and model development of single solid oxide fuel cells
Electrochemical impedance spectroscopy (EIS)
Analysis of the distribution of relaxation times (DRT)
1D-/2D-modeling along the gas channel
FEM modeling of lightweight SOFCs on cell level

Join the Team

If you are interested in a student thesis or working as a research assistant, please send an email to daniel.ewald∂kit.edu, even if no specific positions are currently advertised.

Student Theses

Topic	Supervisors	Person	Period
Electrochemical Characterization and Parametrization of a High-Performance SOFC for Aviation Applications	Ewald, Daniel, M.Sc., Großelindemann, Cedric, M.Sc.	Felix Leonce Martinez Martinez	finished 11/24
Model-based analysis and optimization of μ-tubular SOFCs based on planar cell data for an application in aviation	Ewald, Daniel, M.Sc., Esau, Daniel, M.Sc.	Alexander Roßkopf	finished 12/25
Electrochemical Characterization and Modeling of Pressurized Solid Oxide Cells	Ewald, Daniel, M.Sc.	Simon Baum	finished 12/25
Model-based Analysis of the Networking-Approach for µ-Tubular SOFCs for Aviation	Ewald, Daniel, M.Sc.	Open	-

International

DAAD Rise Research Internship	Supervisors	Person	Period
Electrochemical Characterization of a High-Performance Anode-Supported SOFC at Elevated Current Densities	Ewald, Daniel, M.Sc., Esau, Daniel, M.Sc.	Isaac Burdge (Arizona State University)	05/2025 - 08/2025
Electrochemical Characterization of SOFCs in Pressurized Conditions	Ewald, Daniel, M.Sc.	Anna Kuznetsov (University of Massachusetts Amherst)	06/2026 - 08/2026

Student Assistants

Topic	Supervisors	Person	Period
Model development in Matlab & Comsol Post-processing analysis	Ewald, Daniel, M.Sc.	Till Kasselmann	07/2024 - 03/2025
Support in setting up test benches & development	Ewald, Daniel, M.Sc.	Martin Deichelbohrer	ongoing

Seminar Theses

Topic	Supervisors	Person	Period
Evaluation of current developments in Solid Oxide Fuel Cells for Aircraft Application	Ewald, Daniel, M.Sc.	Joshua Tuttas	finished 01/25
3D printed lightweight SOFCs: Potential and Challenges	Ewald, Daniel, M.Sc.	Xun Xue	finished 11/25

Lecture Assistance

Lecture	University lecturer	Semester
Laboratory Course Batteries and Fuel Cells	PD Dr.-Ing. André Weber	winter term

Publications and Conferences

Journal Paper

D. Ewald, C. Grosselindemann, D. Esau, F.-M. Fuchs, and A. Weber, "Stack-like Contacting in Solid Oxide Cells: Electrochemical Characterization and Modeling", J. Electrochem. Soc., 171, 044506 (2024). doi.org/10.1149/1945-7111/ad3a16
C. Grosselindemann, M. J. Reddy, H. Störmer, D. Esau, M. Dorn, F. M. Bauer, D. Ewald, L. Wissmeier, J. Froitzheim, and A. Weber, "Impact of CeCo-Coated Metallic Interconnectors on SOCs Towards Performance, Cr-Oxide-Scale, and Cr-Evaporation", J. Electrochem. Soc., 171, 054508 (2024). doi.org/10.1149/1945-7111/ad44da
C. Grosselindemann, M. Dorn, F. M. Bauer, M. Seim, D. Ewald, D. Esau, M. Geörg, R. Rössler, A. Pundt, and A. Weber, "Pressurized Single Cell Testing of Solid Oxide Cells", J. Power Sources, 614, 234963 (2024). doi.org/10.1016/j.jpowsour.2024.234963

Conference Paper

D. Ewald, C. Grosselindemann, D. Esau, F.-M. Fuchs, and A. Weber, "Electrochemical Characterization and Modeling of stack-like Contacting for Solid Oxide Cells", Proceedings of the 16^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, July 2^nd - 5^th, 2024.
C. Grosselindemann, M. Dorn, F. M. Bauer, M. Seim, D. Ewald, D. Esau, M. Geörg, R. Rössler, A. Pundt, and A. Weber, "Testing of Pressurized Solid Oxide Cells", Proceedings of the 16^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, July 2^nd - 5^th, 2024.
L. Eichhorn, J.-C. Jeske, S. Kazula, D. Dimos, S. de Graaf, D. Ewald, A. Weber, L. Mantelli, and M. L. Ferrari, "Review and Evaluation of Solid Oxide Fuel Cell-Gas Turbine Hybrid System Design Choices for Aviation", Proceedings of the 16^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, July 2^nd - 5^th, 2024.
D. San Benito Pastor, E. Pontika, S. de Graaf, D. Ewald, A. Weber, S. Kazula, M. L. Ferrari, and P. Laskaridis, "Hydrogen-powered integrated power and propulsion system (IPPS) architecture for sustainable aviation: Leveraging synergies between gas turbine and solid oxide fuel cells", Proceedings of Towards Sustainable Aviation Summit (TSAS), Toulouse, France, January 28^th - 30^th, 2025.
L. Mantelli, A. Dubey, D. Buzzola, M. L. Ferrari, E. Pontika, S. Kazula, D. Ewald, A. Weber, and S. de Graaf, "Methodology for exploring SOFC system layouts in a highly integrated hybrid propulsion system", Proceedings of the ASME Turbo Expo, Memphis, Tennessee, USA, June 16^th - 20^th, 2025.
D. Ewald, A. Lindner, D. Esau, I. Burdge, and A. Weber, "SOC Operation at Elevated Current Density: Electrochemical and Microstructural Characterization", Proceedings of the 17^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, June 30^th- July 3^rd, 2026.
D. Ewald, C. Grosselindemann, A. Lindner, M. Deichelbohrer, S. Baum, and A. Weber, "Pressurized SOFCs for Aviation: Electrochemical Characterization and Modeling", Proceedings of the 17^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, June 30^th- July 3^rd, 2026.

Conference Contribution

D. Ewald, C. Grosselindemann, D. Esau, F.-M. Fuchs, and A. Weber, poster presentation by D. Ewald: "Electrochemical Characterization and Modeling of stack-like Contacting for Solid Oxide Cells", 16^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, July 2^nd - 5^th, 2024.
C. Grosselindemann, M. Dorn, F. M. Bauer, M. Seim, D. Ewald, D. Esau, M. Geörg, R. Rössler, A. Pundt and A. Weber, poster presentation by C. Grosselindemann: "Testing of Pressurized Solid Oxide Cells", 16^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, July 2^nd - 5^th, 2024.
C. Grosselindemann, M. Dorn, F. M. Bauer, M. Seim, D. Ewald, D. Esau, M. Geörg, R. Rössler, A. Pundt and A. Weber, oral presentation by C. Grosselindemann: "Testing of Pressurized Solid Oxide Cells", 16^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, July 2^nd - 5^th, 2024.
L. Eichhorn, J.-C. Jeske, S. Kazula, D. Dimos, S. de Graaf, D. Ewald, A. Weber, L. Mantelli and M. L. Ferrari, poster presentation by L. Eichhorn: "Review and Evaluation of Solid Oxide Fuel Cell-Gas Turbine Hybrid System Design Choices for Aviation", 16^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, July 2^nd - 5^th, 2024.
C. Grosselindemann, D. Ewald, M. Deichelbohrer, E. Katzman, D. Esau, M. Langerman, and A. Weber, oral presentation by C. Grosselindemann: "Pressurized Testing of Solid Oxide Single Cells", 49^th International Conference and Expo on Advanced Ceramics and Composites (ICACC 2025), Daytona Beach, Florida, USA, January 26^th - 31^st, 2025.
D. San Benito Pastor, E. Pontika, S. de Graaf, D. Ewald, A. Weber, S. Kazula, M. L. Ferrari and P. Laskaridis, oral presentation by D. San Benito Pastor: "Hydrogen-powered integrated power and propulsion system (IPPS) architecture for sustainable aviation: Leveraging synergies between gas turbine and solid oxide fuel cells", Towards Sustainable Aviation Summit (TSAS), Toulouse, France, January 28^th - 30^th, 2025.
D. Ewald, C. Grosselindemann, T. Kasselmann, F. Martinez, M. Noponen, and A. Weber, oral presentation by D. Ewald: "Utilization of a Validated 0D Approach for 1D SOFC Performance Modeling", Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal 2025), Karlsruhe, Germany, March 11^th - 12^th, 2025.
C. Grosselindemann, D. Ewald, M. Deichelbohrer, E. Katzman, D. Esau, M. Langerman, and A. Weber, poster presentation by C. Grosselindemann: "Pressurized Testing and Modeling of Solid Oxide Single Cells", Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal 2025), Karlsruhe, Germany, March 11^th - 12^th, 2025.
M. Deichelbohrer, C. Grosselindemann, D. Ewald, and A. Weber, poster presentation by M. Deichelbohrer: "Evaluation of Cell Housing Designs for Pressurized Testing of Solid Oxide Single Cells", Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal 2025), Karlsruhe, Germany, March 11^th - 12^th, 2025.
L. Mantelli, A. Dubey, D. Buzzola, M. L. Ferrari, E. Pontika, S. Kazula, D. Ewald, A. Weber, and S. de Graaf, oral presentation by D. Buzzola: "Methodology for exploring SOFC system layouts in a highly integrated hybrid propulsion system", ASME Turbo Expo, Memphis, Tennessee, USA, June 16^th - 20^th, 2025.
D. Ewald, C. Grosselindemann, A. Lindner, T. Kasselmann, F. Martinez, M. Noponen, and A. Weber, oral presentation by D. Ewald: "1D Gas Channel Modeling for SOFC Performance Analysis in Aviation", 19^th International Symposium on Solid Oxide Fuel Cells (SOFC-XIX), Stockholm, Sweden, July 13^th - 18^th, 2025.
C. Grosselindemann, D. Ewald, M. Deichelbohrer, and A. Weber, oral presentation by C. Grosselindemann: "Testing of Pressurized Solid Oxide Single Cells", 19^th International Symposium on Solid Oxide Fuel Cells (SOFC-XIX), Stockholm, Sweden, July 13^th - 18^th, 2025.
D. Ewald, C. Grosselindemann, A. Lindner, M. Deichelbohrer, S. Baum, and A. Weber, oral presentation by D. Ewald: "Impedance-based Performance Analysis and Modeling of Pressurized SOFCs for Aviation", Symposium on Modeling and Experimental Validation of Electrochemical Energy Technologies (ModVal 2026), Lausanne, Switzerland, March 10^th - 11^th, 2026.
A. Weber, and D. Ewald, oral presentation by A. Weber: "Impedance Based Performance Analysis of Pressurized Solid Oxide Electrolyzer Cells" (invited), 249^th ECS Meeting, Seattle, Washington State, USA, May 24^th - 28^th, 2026.
S. de Graaf, E. Pontika, P. Schmiede, F. Tong-Yette, S. Kazula, D. Ewald, and A. T. Isikveren, oral presentation by S. de Graaf: "Assessment of novel Hybrid-Electric Propulsion System based on Solid Oxide Fuel Cell and Gas Turbine", ASME Turbo Expo, Milan, Italy, June 15^th - 19^th, 2026.
D. Ewald, A. Lindner, D. Esau, I. Burdge, and A. Weber, poster presentation by D. Ewald: "SOC Operation at Elevated Current Density: Electrochemical and Microstructural Characterization", 17^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, June 30^th- July 3^rd, 2026.
D. Ewald, C. Grosselindemann, A. Lindner, M. Deichelbohrer, S. Baum, and A. Weber, oral presentation by D. Ewald: "Pressurized SOFCs for Aviation: Electrochemical Characterization and Modeling", 17^th European SOFC & SOE Forum (EFCF), Lucerne, Switzerland, June 30^th- July 3^rd, 2026.